Home / 916,695.82-1,265,053.71-508,823.92

Finding the Fourth Proportional to 916,695.82, 1,265,053.71 and 508,823.92

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Solution

The fourth proportional to 916,695.82, 1,265,053.71 and 508,823.92 is: 702,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,695.82 : 1,265,053.71 = 508,823.92 : x
  2. Step 2: Convert to fraction form
    916,695.82/1,265,053.71 = 508,823.92/x
  3. Step 3: Cross multiply
    916,695.82x = 1,265,053.71 × 508,823.92
  4. Step 4: Simplify right side
    916,695.82x = 643,689,587,732.74
  5. Step 5: Solve for x
    x = 643,689,587,732.74/916,695.82
  6. Step 6: Final answer
    x = 702,184.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.